YOU SAID:

I think that the universe started 13.7 billion years ago.

INTO JAPANESE

宇宙は137億年前に始まったと思います。

BACK INTO ENGLISH

I think the universe began 13.7 billion years ago.

INTO JAPANESE

宇宙は137億年前に始まったと思います。

BACK INTO ENGLISH

I think the universe began 13.7 billion years ago.